fzus53 kapx 210721
nshapx
expires:202605211530;;389097

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-211530-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
321 am edt thu may 21 2026

.today...light winds. mostly clear. waves 2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.friday...southeast wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 
.friday night...southeast wind 15 to 20 knots. mostly cloudy.
waves 2 to 4 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389098

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-211530-
st. marys river point iroquois to e. potagannissing bay-
321 am edt thu may 21 2026

.today...light winds. sunny early in the morning then becoming
mostly sunny. 
.tonight...light winds. partly cloudy. 
.friday...east wind 10 to 15 knots. mostly sunny. 
.friday night...east wind 15 to 20 knots. mostly cloudy. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389105

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-211530-
st ignace to false detour channel-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming mostly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. mostly cloudy. waves
6 to 9 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389106

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-211530-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming partly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 7 to 10 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389104

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-211530-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming mostly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 5 to 8 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389107

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-211530-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
321 am edt thu may 21 2026

.today...east wind 10 to 15 knots early in the morning becoming
variable 10 knots or less. sunny early in the morning then
becoming mostly sunny. waves 2 feet or less. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 5 to 8 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389108

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-211530-
sturgeon pt to alabaster mi-
321 am edt thu may 21 2026

.today...northeast wind 10 to 20 knots. sunny early in the
morning then becoming partly sunny. waves 2 to 3 feet. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.friday...east wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389101

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-211530-
grand traverse bay south of a line grand traverse light to
norwood mi-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots becoming northeast in the
afternoon. sunny early in the morning then becoming partly sunny.
waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389099

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-211530-
seul choix point to 5nm west of mackinac bridge-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming mostly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389100

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-211530-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
321 am edt thu may 21 2026

.today...east wind 5 to 10 knots. sunny early in the morning then
becoming partly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 15 to 20 knots. partly sunny. waves 2 to
3 feet. 
.friday night...east wind 15 to 25 knots. chance of showers.
waves 3 to 5 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389102

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-345-211530-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
321 am edt thu may 21 2026

.today...northeast wind 5 to 10 knots. mostly sunny early in the
morning then becoming partly sunny. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. mostly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210721
nshapx
expires:202605211530;;389103

nearshore marine forecast
national weather service gaylord mi
321 am edt thu may 21 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-211530-
manistee to point betsie mi-
321 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots. mostly sunny early in the
morning then becoming mostly cloudy. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. mostly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. rain showers likely.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kdlh 210756
nshdlh
expires:202605211600;;389905

nearshore marine forecast
national weather service duluth mn
256 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-211600-
grand marais to taconite harbor mn-
256 am cdt thu may 21 2026

.today...east wind 5 to 10 knots. mostly sunny. waves 1 foot or
less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...east wind 15 to 20 knots with gusts to around 25 knots.
mostly sunny. waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon. a small craft advisory may be needed. 
.friday night...east wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. chance of rain showers after midnight.
waves 3 to 5 feet. waves occasionally to 7 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 210756
nshdlh
expires:202605211600;;389904

nearshore marine forecast
national weather service duluth mn
256 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-211600-
grand portage to grand marais mn-
256 am cdt thu may 21 2026

.today...southeast wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. a small craft advisory may be needed. 
.friday night...east wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. chance of rain showers
after midnight. waves 3 to 5 feet. a small craft advisory may be
needed. 

$$

fzus53 kdlh 210756
nshdlh
expires:202605211600;;389914

nearshore marine forecast
national weather service duluth mn
256 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-211600-
oak point to saxon harbor wi-
256 am cdt thu may 21 2026

.today...south wind 5 knots becoming east late in the morning,
then becoming northeast 10 to 15 knots in the afternoon. mostly
sunny. waves 1 to 2 feet. 
.tonight...east wind 5 to 10 knots becoming south after midnight.
partly cloudy in the evening then becoming mostly cloudy. waves
1 to 2 feet. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet building to 1 to 3 feet
late in the afternoon. 
.friday night...east wind 10 to 15 knots. gusts up to 20 knots
early in the evening. rain showers likely after midnight. waves
1 to 3 feet. 

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389935

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 am edt thu may 21 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-211600-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
357 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.tonight...northeast winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. partly cloudy. waves
1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. partly cloudy. waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon. 
.friday night...east winds 15 to 20 knots. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 4
to 6 feet. waves occasionally around 7 feet. a small craft advisory
may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389934

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 am edt thu may 21 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-211600-
inner saginaw bay sw of point au gres to bay port mi-
357 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast winds 15 to 20 knots becoming east 10 to
15 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. partly cloudy. waves
2 to 4 feet. 
.friday night...east winds 15 to 20 knots increasing to 20 to 25
knots after midnight. partly cloudy early in the evening becoming
cloudy. rain showers likely after midnight. waves 3 to 5 feet. waves
occasionally around 7 feet. a small craft advisory may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389936

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 am edt thu may 21 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-211600-
port austin to harbor beach mi-
357 am edt thu may 21 2026

.today...northeast winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. mostly sunny. waves 2 to 4 feet. 
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots early in the afternoon. partly cloudy. waves 1 to
3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 3
to 5 feet building to 5 to 7 feet after midnight. waves occasionally
around 10 feet. a small craft advisory may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389937

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 am edt thu may 21 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-211600-
harbor beach to port sanilac mi-
357 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...northeast winds 10 to 15 knots. partly cloudy until
late afternoon becoming mostly sunny. waves 2 to 4 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 4
to 6 feet building to 5 to 7 feet after midnight. waves occasionally
around 10 feet. a small craft advisory may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 210757
nshdtx
expires:202605211600;;389938

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
357 am edt thu may 21 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-211600-
port sanilac to port huron mi-
357 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots becoming north 15 to
20 knots late in the afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...east winds 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. mostly cloudy. rain showers
likely after midnight. waves 4 to 6 feet building to 5 to 7 feet
after midnight. waves occasionally around 10 feet. a small craft
advisory may be needed.

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 210756
nshgrb
expires:202605211000;;389917

nearshore marine forecast
national weather service green bay wi
256 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-211000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
256 am cdt thu may 21 2026

.rest of the night...ne wind 10 to 15 kts. waves 1 to 3 ft.
mostly clear. 
.thursday...ne wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy
in the morning then becoming mostly cloudy. 
.thursday night...ne wind 10 to 15 kts veering e in the late
evening and overnight. waves 1 to 3 ft. partly cloudy in the
evening then becoming mostly cloudy. 
.friday...ne wind 10 to 20 kts. waves 1 to 3 ft building to 2 to
4 ft in the afternoon. partly sunny.  

$$

fzus53 kgrb 210756
nshgrb
expires:202605211000;;389916

nearshore marine forecast
national weather service green bay wi
256 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz541-211000-
rock island passage to sturgeon bay wi-
256 am cdt thu may 21 2026

.rest of the night...ne wind 10 to 15 kts. waves 2 ft or less.
clear.
.thursday...ne wind 10 to 15 kts. waves 2 ft or less. partly
cloudy. 
.thursday night...ne wind 10 to 15 kts veering e in the late
evening and overnight. waves 1 to 3 ft. mostly clear in the
evening then becoming mostly cloudy. 
.friday...e wind 10 to 15 kts backing ne 15 to 25 kts early in
the afternoon. waves 1 to 3 ft building to 3 to 5 ft in the
afternoon. mostly cloudy in the morning then becoming mostly
sunny. a small craft advisory may be needed.  

$$

fzus53 kgrb 210756
nshgrb
expires:202605211000;;389915

nearshore marine forecast
national weather service green bay wi
256 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-211000-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
256 am cdt thu may 21 2026

.rest of the night...ne wind 10 to 15 kts. waves 2 ft or less.
clear.
.thursday...ne wind 10 to 15 kts. waves 2 ft or less. partly
sunny. 
.thursday night...e wind 10 to 15 kts. waves 2 ft or less. partly
cloudy in the evening then becoming mostly cloudy. 
.friday...e wind 10 to 15 kts backing ne 15 to 25 kts early in
the afternoon. waves 2 ft or less building to 2 to 4 ft in the
afternoon. mostly cloudy in the morning then becoming mostly
sunny. a small craft advisory may be needed.  

$$

fzus53 kgrr 210736
nshgrr
expires:202605210845;;389427

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210845-
pentwater to manistee mi-
336 am edt thu may 21 2026

.rest of tonight...northeast winds 10 to 15 knots. partly cloudy.
waves around 1 foot. 
.thursday...northeast winds 10 to 20 knots backing north early in
the afternoon. partly sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 10 to 15 knots veering east in the
late evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 1 to 2 feet. 
.saturday...east winds 10 to 20 knots backing northeast early in the
afternoon. rain showers likely. waves around 1 foot. 
.sunday...southwest winds 5 to 15 knots. mostly cloudy. waves 1 foot
or less. 
.memorial day...south winds 5 to 15 knots veering west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 210736
nshgrr
expires:202605210845;;389429

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210845-
grand haven to whitehall mi-
336 am edt thu may 21 2026

.rest of tonight...northeast winds around 15 knots. partly cloudy.
waves around 1 foot. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. partly sunny. waves 1 to 2 feet. 
.thursday night...east winds 15 to 20 knots. partly cloudy. waves
1 to 2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 3 feet. 
.sunday...south winds around 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing west 10 to
15 knots in the late morning and afternoon. partly sunny. waves
1 foot or less. 

$$

fzus53 kgrr 210736
nshgrr
expires:202605210845;;389428

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210845-
whitehall to pentwater mi-
336 am edt thu may 21 2026

.rest of tonight...northeast winds 10 to 15 knots. partly cloudy.
waves around 1 foot. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. partly sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 10 to 15 knots veering east in the
late evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. mostly cloudy with rain
showers likely. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...northeast winds 5 to 15 knots backing southwest in
the late morning and early afternoon, then veering west early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kmkx 210610
nshmkx
expires:202605210900;;384027

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-210900-
sheboygan to port washington wi-
110 am cdt thu may 21 2026

.rest of tonight...northeast wind 15 to 20 knots easing to 10 to
15 knots early in the morning. partly cloudy. waves 2 to 4 feet. 
.thursday...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. partly sunny. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.thursday night...northeast wind 10 to 15 knots with gusts to
around 20 knots veering east after midnight. partly cloudy
through around midnight then becoming mostly cloudy. waves 2 to
4 feet. 
.friday...northeast wind 10 to 15 knots rising to 15 to 20 knots
early in the afternoon, then becoming northeast 15 to 20 knots
late in the afternoon. partly sunny. waves 2 to 4 feet. 

$$

fzus53 kmkx 210610
nshmkx
expires:202605210900;;384028

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-210900-
port washington to north point light wi-
110 am cdt thu may 21 2026

...small craft advisory in effect from this evening through
friday evening...

.rest of tonight...northeast wind 15 to 20 knots. partly cloudy.
waves 3 to 4 feet. 
.thursday...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. mostly cloudy. waves 3 to 4 feet. 
.thursday night...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the evening, then becoming east 15 to 20 knots
after midnight. partly cloudy through around midnight then
becoming mostly cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots with gusts to around 20 knots early in the afternoon,
then rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 

$$